Clinical Quiz
The Hong Kong Practitioner VOLUME 27 / June 2005

A boy presenting with a spreading vesicular lesion
Chi-Yan Leung ±ç§Ó¤¯


A monthly clinical quiz is published in The Hong Kong Practitioner. Readers are invited to participate and a prize draw, sponsored by Pfizer Corporation Hong Kong Limited, will be undertaken among the successful entries each month. For entry into the draw, simply answer the question, fill in the reply slip and return it to the College by 15 July, 2005. Each reader is allowed to submit one entry only. The name of the winner and the answer will be published in the July issue.

Clinical history:

This 3-year old boy complained of an erythematous vesiculopustular lesion on the face, which spread to the limbs over 2 days. The vesicular lesion rapidly ruptured with yellowish exudate, crusting and scaling on the margin of the lesion. This picture shows the lesion on his arm.
The slide and the question were prepared by:
Dr Chi-Yan Leung, FRCP, FHKAM(Med)
Senior Medical Officer,
i/c Cheung Sha Wan Dermatological Clinic, Social Hygiene Service, Department of Health.

What is the diagnosis?

A. Eczema
B. Ring worm infection
C. Impetigo
D. Ecthyma

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